Sebb was right when he wrote...
On 20 November 2014 at 00:10, sebb <[email protected]> wrote:
>> In any case, what is the best way to achieve what I'm trying to do?
>> To get each thread to use a different CSV Data Source file?
>
> ${__threadNum} might work.
It does.
And, with some hacking about, I have managed to do what I wanted
I wanted each thread to read values from a different (named) CSV file.
I can't do it the "obvious" way -- using a User Parameters component
to assign a file name differently for each thread/user -- because all
configuration components (including CSV Data Set Configs that would need
the file names) are run before Pre-processors (including the User
Parameters component that would assign them).
But the following approached, based on Sebb's comment, has done the necessary.
I have a User Defined Variables (configuration) component which
assigns includes
${__split(file1|file2|file3,FILE,|)}
which puts my files into FILE_1, FILE_2, FILE_3...
Then, I have set the "Filename" parameter of the CSV Data Set Config to
FOLDER/${__V(FILE_${__javaScript(1+${__threadNum} % ${FILE_n})})}
(N.B. I've had to cut-and-paste this code, because cut-and-paste
from JMeter GUI on Windows 7 is not actually working.
The Javascript is there to get threadNum modulo FILE_n, which
makes the threads wrap round the available files.
So thanks to Sebb.
Robert
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Robert Inder, 0131 229 1052 / 07808 492 213
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